Concentrator.



No. 632,075. Patented Aug. 29, I899. J. C. &. R. C. WATERS.

CONCENTRATOB.

(Application filed June 6, 1898.\ I

2 Sheets-Sheet (No Model.)

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No. 632,075. Patented Aug. 29, I899. J. C. &. R. C. WATERS.

CONGENTRATOR.

(Application filed June 6, 1898.) (No Model.) 2 Sheets-Sheet 2.

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INITED STATES PATENT OFFrcE.

JOHN C. \VATERS AND RICHARD C.

\VATERS, OF ROMLEY, COLORADO.

CONCENTRATOR.

SPECIFICATION forming part of Letters Patent No. 632,075, dated August29, 1899.

Application filed- .Tune 6, 1898. Serial No. 682,711. (No model.)

To all whom it may concern.-

Be it known that we, JOHN G. lVATERs and RICHARD O. WATERs, of Romley,in the county of Ohaffee and State of Colorado, have invented a new andImproved Concentrator, of which the following is a full, clear, andexact description.

The object of the invention is to provide a new and improvedconcentrator more especially designed for treating the pulp fromstamp-mills or the like, the concentrator being simple and durable inconstruction and arranged to insure a complete separation of theprecious metals from the barren sand or gangue known as tailings.

The invention consists of novel features and parts and combinations ofthe same, as will be fully described hereinafter and then pointed out inthe claims.

Reference is to be had to the accompanying drawings, forming a part ofthis specification, in which similar characters of reference indicatecorresponding parts in all the figures.

Figure 1 is a plan view of the improvement. Fig. 2 is a front elevationof the same with parts in section. Fig. 3 is a transverse section of thesame on the line 3 3 of Fig. 1; and Fig. 4. is a side view of the meansfor driving the table, the view having some parts in elevation and alsoother parts in section, such other parts being sectioned slightly to oneside of the line 4 at of Fig. l.

The improved concentrator is provided with a table A, covered withcopper or other suitable covering and made segmental in shape,preferably semicircular, as illustrated in'Fig. l, the table beinginclined from the outer peripheral end in a downward direction towardthe inner end, as will be readily understood by reference to Fig. 3. Thetable A is supported at its outer end by legs B, having their upperrounded ends set in similarly-shaped sockets A, secured to or formed onthe under side of the table A. The lower rounded ends of the legs B areset in similarly-shaped cups B, held on screw-rods B screwing in nuts Bsecured to the floor or other suitable foundation, the screw-rod beingadapted to be locked in place after the desired adj ustment is made by ajam-nut 13*. Thus by the arrangement described the several legs B can bereadily raised or lowered to give the desired inclination to the table,and at the same time the legs B permit an oscillation of the table, ashereinafter more fully described.

The inner end of the table A is provided on diametrically opposite sideswith metallic arms A A engaging screw-rods O 0, respec tively, carriedby a head D, mounted to turn on a pivot E, carried by a post F, securedto the floor or other foundation,the center of the pivot forming thecenter for the segmen tal table A. Nuts 0 screw on the screw-rods O C tohold the arms in place on the screwrods, the nuts permitting ofadjusting the arms at different heights, if desired, and as indicated inFig. 2that is, adjusting the arm A lower than the arm A so that thelefthand side of the table is less in height than the right-hand side ofsaid table.

The head D rests on a shoulder E on the pivot E, and the latter isformed at its lower end with a threaded part E screwing in the post F topermit of raising or lowering the head D, and consequently the inner endof the table, to give the latter the desired inclination according tothe material under treatment. The upper end E of the pivot E is madepolygonal for the application of a wrench or other tool to permit ofconveniently screwing the pivot up or down in the post F for the purposeabove mentioned.

The head D is provided with a transverselyextending arm D, (see Fig. 3,)on which is bolted one end of a bar G, secured to the under side of thetable A at the middle thereof, said bar being formed at its outer endwith a slotted head G, engaged at opposite ends by nuts H screwing onthe threaded ends of a rod H, forming part of the device H for impartinga jolting reciprocating movement to the table A, as hereinafter morefully described. The end of the rod H is provided with a frictionrollerH in contact with the peripheral surface of a cam H, secured on a shaftH carrying fixed and loose pulleys H, connected by belt with othermachinery for imparting On the coiled on the rod H and presses with oneend against a collar H", held on the said rod, and

with the other end against a part of the frame 11 supporting theactuating device. The spring 11 serves to hold the friction-roller H atall times in frictional contact with the peripheral surface of the cam11, so that when the shaft H is rotated the said cam H imparts a quickimpulse forward and backward to the rod H, and consequently to the tableA, without rest between the two movements, a rest then taking placebetween two impulses, as will be readily understood by reference to theshape of the cam H as shown in Fig. at.

The outer end of the table A is provided with an upwardly-extendingflange A for preventing the Water and pulp discharged at this portion ofthe table from flowing over the upper edge thereof, the pulp and waterbeing delivered to the table by a segmental pulp and water distributingtrough I, hung on clips I, vertically adjustable in standards 1 securedto the floor or other foundation. The trough I is formed with spacedapertures, as is plainly indicated in Figs. 1 and 3, and one side of thetrough is extended to discharge the pulp and water toward the flange A,as will be readily understood by reference to Fig. 3. In the middle ofthe trough I is held a partition I for keeping the pulp and the waterseparate, the pulp being discharged through a pipe J into the left-handend of the trough while the water is passed through a supply-pipe K intothe right-hand end of said trough. The pipe K is provided with a valve Kfor controlling the flow of the water through the pipe to the right-handportion of the trough.

The right hand or concentrate discharge side of the table A is open, agage L being held adjustably on this side of the table by a clip L forincreasing or diminishing the discharge-opening for the con centrates atthis side of the table.

The inner end of the table A is provided with a ridge or flange A overwhich the tailings pass into a discharge-trough N, provided with adownwardly-extending pipe N, open- 1 ing into the funnel O of the pipe 0for carrying the tailings to one side of the machine.

The operation is as follows: WVhen the table is intermittentlyoscillated by the device H, as above described, and the pulp is fed ontothe left-hand side of the table and the water on the opposite sidethereof, then the quick forward and backward impulse given to the tablecauses the concentrates to travel over the table in the direction of thearrow at, (shown in Fig. 1,) and during the resting period of the tablethe concentrates have sufficient time to settle for the next thrust, asdescribed, so that a rapid travel of the concentrates over the inclinedtable takes place, the concentrates finally passing from the table atthe right-hand side thereof between the gage L and flange A. Thetailings readily separate from the concentrates on the jolting motion ofthe table, it being understood that owing to the position of thedistributor the heavier portion of the pulp passes onto the table at ornear the left side, while the lighter part of the pulp passes onto thetable toward the middle thereof, so that the lighter portion first comesin contact with the water and is readily washed downward over the head Ainto the trough N to be discharged into the pipe 0, leading the tailingsfrom the machine. The concentrates on reaching the table commence totravel in the direction of the arrow at and are subjected to the actionof the water as they pass on their journey over the table, so that alltailings, sand, (530., are effectively washed out of the concentratesand separated therefrom before theconcentrates reach the right-hand ordischarge side of the table.

Having thus fully described our invention, we claim as new and desire tosecure 'by Letters Patent- 1. In a concentrator, the combination of atable, a vertical post on which the table is mounted to swing, the tablehaving a segmental form and having a flange at one end, the other end ofthe table being adapted to discharge the concentrates, a gage mounted atsaid other end of the table to regulate the discharge thereat, means forsupporting the outer portions of the table so as to permit the movementthereof, and a curved trough extending around one edge of the tableadjacent to the post, to receive the tailings.

2. In a concentrator, the combination of a post, a segmental tablemounted to move on the post, the post being located at the inner edge ofthe table, means for supporting the outer edge of the table so as topermit the movement thereof, a trough extending around the inner edge ofthe table and adapted for the discharge of the tailings, a flangesecured to one edge of the table at one side of the trough, the oppositeedge of the table being adapted for the discharge of the concentrates, agage mounted at said opposite edge to control the discharge thereat, asecond and curved trough located above the outer edge of the table anddischarging therefrom, and a partition situated in said trough, todivide the same.

3. In a concentrator, the combination of a post, a vertical pivotmounted thereon, a head mounted to turn on. the pivot, two arms attachedto the head and extending in opposite directions therefrom and beingprovided with means for adjusting their relative height, a third armalso attached to the head and projecting between the two first-namedarms, a segmental table supported on the three arms, means forsupporting the outer edge of the table to permit the movement thereof,acurved trough located at the inner edge of the table adjacent to thepost, a flange located at an edge of the table adjacent to the trough,the opposite edge of the table being adapted to discharge theconcentrates, and a second curved trough located above the table at theouter edge thereof and. serving to discharge mit the movement thereof, acurved trough secured at the inner edge of the table adjacent to thepivot, and a flange at one edge of 15 the table adjacent to the trough,the opposite edge of the table being adapted to discharge theconcentrates, and the curved trough being adapted to receive therailings.

JOHN (J. XVATERS. RICHARD C. WATERS. \Vitnesses:

P. R. GARDNER, H. 0. OLD.

